You can select the security protocols and cryptographic algorithms that are used to encrypt communications between Horizon Client and Horizon servers and between Horizon Client and the agent in the remote desktop.

To access the help system from within the Horizon Client app, tap the Option menu in the upper-left corner of the menu bar, tap the information icon (!), and tap the link under Online Help. You can also display the help system after you connect to a server or log in to a remote desktop or application.